HK UMP/USC Triggers/Packs/Housings
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HKP HK UMP, G36 Selector Lever
HKP HK Parts
$8.95HK UMP & G36 Left Side Safety Selector Lever With Axle - Replacement selector for HK PARTS TRIGGER GROUP HK PARTS selector lever for the left side of our own 2 position FBI U.S housing for the UMP pictogram lowers. Fits U.S FBI 2 Position lowers...HKP-20180$8.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Lower Axle
H&K Heckler & Koch
$9.95HK UMP & USC Lower Axle - German 3 X lower axle pins are used for each trigger group or lower all pins are the same size, except the mag release axle on the USC model.HKP-01893$9.95 -
HKP HK UMP 2 Position Lower Grip Frame - FDE
HKP HK Parts
$149.95UMP - 2 Position Lower Grip Frame - FDENew UMP Lower. 2 position settings (S,F). Perfect for all your own internals. This item is ideal for the USC to UMP conversion or to keep as a spare. Each lower fits & works with the 45, 40 & 9mm calibers...HKP-19384$149.95 -
Out Of Stock
HKP HK UMP 2 Position Lower Grip Frame - Black
HKP HK Parts
$179.95UMP - 2 Position Lower Grip FrameNew UMP Lower. 2 position settings (S,F). Perfect for all your own internals. This item is ideal for the USC to UMP conversion or to keep as a spare. Each lower fits & works with the 45, 40 & 9mm calibers using...HKP-19382$179.95 -
H&K HK UMP, HK USC Lower Axle
H&K Heckler & Koch
$9.95HK UMP & USC Lower Axle Pin - US3 lower axle pins are used for each trigger group or lower all the same size with the exception of the mag release axle on the USC.HKP-19383$9.95 -
HKP HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear
HKP HK Parts
$49.95Sear For The HK UMP, USC, G36, & SL8 - USA CNC machined from aircraft grade aluminum that is hard coat anodized that will last much longer than the factory HK part that's made with plastic. This part counts as 1 US-made...HKP-01847$49.95 -
HKP - HK UMP, USC - Flat Trigger
HKP HK Parts
$99.95HKP - HK UMP, USC, - Flat Trigger With our new Flat trigger you will improve the aesthetics of your firearm and will also give shooters a lower position on the trigger, which will increase leverage for a smoother, more consistent pull. Our flat...HKP-20766$99.95 -
GSG9 HK G36/UMP/SL8/USC Hammer - US Made
GSG9
$124.95G36 & HK UMP Hammer For Lower Or Trigger Group- US Made US made hammer for 922R compliance. These hammers are a direct fit on the USC and SL8 platform and count as one of the needed 922r compliant parts for the SL8 and/or USC.HKP-19852$124.95 -
H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear Spring
H&K Heckler & Koch
$8.95HK UMP, USC, G36, & SL8 Sear Spring This part is used in conjunction with the sear in the trigger body of the lower.HKP-01866$8.95 -
On Sale
HKP HK UMP G36 Curved Trigger
HKP HK Parts
Now: $79.95Was: $99.95HKP - HK UMP, USC, - Curved Trigger With our new curved trigger you will improve the aesthetics of your firearm. Our curved trigger has spaced out serrations at the face of the trigger for a far superior grip. Each trigger counts as one US made...HKP-21126-MNow: $79.95Was: $99.95 -
H&K UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger
H&K Heckler & Koch
$19.95HK UMP, USC & G36 TriggerNew HK German factory trigger. A great spare or replacement part.Fits all: HK G36 HK UMP HK USCHKP-16495$19.95 -
HDPS HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger
HDPS
$139.95HDPS US-Made Steel Trigger - USC & SL8 HDPS US-made triggers are ideal for meeting US 922r compliance as this counts as one of the needed parts when converting the HK USC to HK semi-auto UMP and the HK SL8 to semi-auto G36. Compatible...HKP-02134$139.95 -
H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - Safe/Fire
$8.95HK Ratched Wheel, Notched Disk G36, SL8 0,1 (Safe & Fire) OnlyFits all UMP, USC, G36 & SL8 Lowers That are 0,1 or S,F OnlyCompatibility: HK UMP HK USC HK G36 HK SL8HKP-19070$8.95 -
H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - Safe/Semi
H&K Heckler & Koch
$12.95HK Ratched Wheel, Notched Disk G36, SL8 0,1 (Safe & Fire) OnlyFits all UMP, USC, G36 & SL8 Lowers That are 0,1 or S,F OnlyCompatibility: HK UMP HK USC HK G36 HK SL8HKP-16361$12.95 -
Out Of Stock
HKP HK UMP, USC & G36, SL8 Sear
HKP HK Parts
$14.95HK Complete Sear G36, UMP, USC, SL8Made in the US.Compatibility HK UMP HK USC HK G36 HK SL8HKP-19555$14.95 -
H&K G36/UMP (.40 S&W/.45 ACP/9mm/5.56/.223) F/A Hammer
H&K Heckler & Koch
$49.95G36 & HK UMP Hammer For Lower Or Trigger GroupHKP-02308$49.95 -
H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear
H&K Heckler & Koch
$19.95HK Complete Sear G36, UMP, USC & SL8 Genuine German Heckler & Koch part. Compatible with: HK UMP HK USC HK G36 HK SL8HKP-01850$19.95 -
HKP - HK UMP, USC - Flat Trigger - Bronze
HKP HK Parts
$99.95HKP - HK UMP, USC, - Flat Trigger With our new Flat trigger you will improve the aesthetics of your firearm and will also give shooters a lower position on the trigger, which will increase leverage for a smoother, more consistent pull. Our flat...HKP-21007$99.95 -
Out Of Stock
H&K HK G36, HK UMP, HK USC, HK SL8 Lower Compression Spring
H&K Heckler & Koch
$7.95HK G36, SL8, USC, & UMP Compression Spring For Index Plate - LowerHKP-01865$7.95 -
HK G36/SL8/USC/UMP Rear Sight Screw
H&K Heckler & Koch
$8.95HK G36, SL8 & USC, UMP Rear Sight ScrewRear sight screw to retain HK G38/Sl8 & USC/UMP rear sights housings to the rear sight base. G36, SL8 USC, UMPHKP-16382$8.95 -
USA HK UMP Left Hammer Spring
USA
$9.95HK UMP, USC - Left Side Hammer Spring For All Lowers New U.S hammer spring- Left Side A high wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm. Fits all: HK UMP models 45, .40 & 9mm USC .45 and...HKP-20840$9.95 -
Out Of Stock
H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - 3 Position
H&K Heckler & Koch
$0.00HK Ratched Wheel Notched Disk For 3 Position Lowers Compatible with: HK G36 HK UMPHKP-01854$0.00 -
Out Of Stock
H&K USC (.45 ACP) Lower Trigger Group - Used
H&K Heckler & Koch
$0.00HK German USC Lower Receiver - Complete - UsedIncludes all internal semi-auto stock USC trigger internals for a complete lower trigger group. Great spare for or the complete needed parts for doing a USC-UMP grease gun conversion or all German USC-UMP...HKP-18947$0.00 -
Out Of Stock
H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Burst Lower Slide (0,1,2)
H&K Heckler & Koch
$0.00HK G36 & UMP Slide For 3 Position Burst Only Lowers - 0,1,2 Only Compatible with: HK UMP HK G36HKP-01887$0.00 -
HKP - HK UMP, USC - Flat Trigger - OD Green
HKP HK Parts
$99.95HKP - HK UMP, USC, - Flat Trigger With our new Flat trigger you will improve the aesthetics of your firearm and will also give shooters a lower position on the trigger, which will increase leverage for a smoother, more consistent pull. Our flat...HKP-21057$99.95